Basic size of mm

d	30
D	72
B	19

The basic rated load is kN

trends C	29.6
static state Co	16

Fatigue load limit Pu	0.67

Rated rotation speed is r/min

Refer to the speed	20000
Limit speed 1)	13000

Mass kg	0.35

model

Bearing belt stop slot	*6306N
Stop slot and stop ring	*6306NR
snap ring	SP72

Dimensions are mm

d	30
d1 ～	44.6
D1 ～	59.1
D3	68.81
D4	78.6
b	1.9
f	1.7
C	3.28
r1,2 min	1.1
r0 max	0.6

Shoulder gear and chamfer size mm

da min	37
Da max	65
db min	80
Ba min	2.2
Ca max	4.98
ra max	1

Calculation coefficient

kr	0.03
fo	13